Behavioral task
behavioral1
Sample
2024-02-28_641378bcba2c547b190dc1feec681b74_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_641378bcba2c547b190dc1feec681b74_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_641378bcba2c547b190dc1feec681b74_cryptolocker
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Size
56KB
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MD5
641378bcba2c547b190dc1feec681b74
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SHA1
9a6a0004444afabc75f12b5bf353986d356fc2ea
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SHA256
c66b39a0e57803f8e9fb4ed531d5e20845cbec8de544b06fb9358851d7049893
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SHA512
2f8f1f4c554653cdfae15852eb49a19ae9397bfa27c968a49a3da354d2ec8adbf26765d8b9e106d42e25d82e85ce4dd1e6033bf9b3436dfb43ea486a7de99f8a
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax8D:z6QFElP6n+gKmddpMOtEvwDpj9aYaK
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-28_641378bcba2c547b190dc1feec681b74_cryptolocker
Files
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2024-02-28_641378bcba2c547b190dc1feec681b74_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE